FIa. 
48. 
49. 
50. 
al. 
52. 
53. 
54. 
55. 
56. 
57. 
58. 
59. 
60. 
GI. 
62. 
LIST OF ILLUSTRATIONS 
. SKULL OF A GIRL TWO YEARS OLD, showing broad ala magna of 
sphenoid 
SKULL OF AN ABORIGINAL AUSTRALIAN, showing contracted 
ala magna of the sphenoid 
. SKULL oF A NEGRO Eunucu, showing epipteric bone 
SKULL oF A TuRcO, with the temporal bone nearly reaching 
the frontal . 
. SKULL OF A TWO-YEAR-OLD CHIMPANZEE, from the side 
Harp PALATE OF A CaUcaSIAN, A NEGRO, AND AN ADULT 
Orane-UTan 
. Heap oF A Human EmsBryo oF THE FourtH Monta, to show 
the auditory ossicles, tympanic ring, with Meckel’s cartilage, 
and the hyoid and thyroid apparatus 
SKULL OF A TAILED AMPHIBIAN (Menopoma) . 
. TRANSVERSE SECTION THROUGH THE EMBRYO OF A SHARK 
(Pristiurus melanostomus), showing limb buds 
DIAGRAM ILLUSTRATING THE DEVELOPMENT OF THE FINS OF 
A FISH 
DIAGRAMMATIG REPRESENTATION OF THREE SUCCESSIVE STAGES 
IN THE DEVELOPMENT OF THE PELVIC FINS OF A SHARK 
An ATTEMPT TO DEPICT DIAGRAMMATICALLY THE PROCESS BY 
WHICH THE Limes OF TERRESTRIAL VERTEBRATES WOULD 
APPEAR TO HAVE BEEN PROBABLY DERIVED FROM THE FINS 
OF FISHES . 
PrcTORAL GIRDLE OF A TAILED AMPHIBIAN, ventral aspect 
RicgHt BuapE-BoNE oF a NEW-BORN CHILD, showing ossifica- 
tion of the coracoid 
PELVIS OF A FEMALE CHIMPANZEE, TWO YEARS OLD : 
Rieht Humerus or A NEGRO, showing perforation of the 
olecranon fossa 
DistaL ExtTREMITY OF THE HuMERUuS, to show epicondylar 
foramina, in Hatteria, Lacerta, the Cat, and in Man 
SKELETON OF THE HInD-Limsp oF A TAILED AMPHIBIAN 
(Spelerpes fuscus) 
DIAGRAMS OF THE Human Carpus. A, EmBryo; B, ADULT . 
PROXIMAL HALF OF A LEFT HUMAN FEMUR POSSESSED OF THREE 
TROCHANTERS 
THe ANKLE-JOINT, in a Chimpanzee, an Australian native, and 
a Caucasian 
SKELETON OF THE LEFT PES OF A CHIMPANZEE, dorsal aspect 
SKELETON OF THE Lert Hann, dorsal aspect 
SKELETON OF THE LEFT Foor, dorsal aspect 
65 
66 
67 
68 
69 
